Deelsommen door elkaar. Welk getal ontbreekt?

Deeltafels
1.
15
:
5
=
=
2.
21
:
3
=
=
3.
100
:
10
=
=
4.
90
:
10
=
=
5.
18
:
3
=
=
6.
24
:
4
=
=
7.
30
:
6
=
=
8.
18
:
9
=
=
9.
15
:
3
=
=
10.
12
:
4
=
=
11.
12
:
6
=
=
12.
6
:
6
=
=
13.
20
:
5
=
=
14.
50
:
5
=
=
15.
12
:
6
=
=
16.
10
:
10
=
=
17.
20
:
10
=
=
18.
30
:
5
=
=
19.
90
:
9
=
=
20.
70
:
7
=
=
21.
40
:
10
=
=

Deelsommen door elkaar. Welk getal ontbreekt?
| ANTWOORDEN

Deeltafels
1.
15
:
5
=
=
3
2.
21
:
3
=
=
7
3.
100
:
10
=
=
10
4.
90
:
10
=
=
9
5.
18
:
3
=
=
6
6.
24
:
4
=
=
6
7.
30
:
6
=
=
5
8.
18
:
9
=
=
2
9.
15
:
3
=
=
5
10.
12
:
4
=
=
3
11.
12
:
6
=
=
2
12.
6
:
6
=
=
1
13.
20
:
5
=
=
4
14.
50
:
5
=
=
10
15.
12
:
6
=
=
2
16.
10
:
10
=
=
1
17.
20
:
10
=
=
2
18.
30
:
5
=
=
6
19.
90
:
9
=
=
10
20.
70
:
7
=
=
10
21.
40
:
10
=
=
4